/* USER CODE BEGIN Header */
/**
  ******************************************************************************
  * @file           : main.c
  * @brief          : Main program body
  ******************************************************************************
  * @attention
  *
  * Copyright (c) 2024 STMicroelectronics.
  * All rights reserved.
  *
  * This software is licensed under terms that can be found in the LICENSE file
  * in the root directory of this software component.
  * If no LICENSE file comes with this software, it is provided AS-IS.
  *
  ******************************************************************************
  */
/* USER CODE END Header */
/* Includes ------------------------------------------------------------------*/
#include "main.h"
#include "can.h"
#include "tim.h"
#include "gpio.h"

/* Private includes ----------------------------------------------------------*/
/* USER CODE BEGIN Includes */
#include "AT24C02.h"
#include "stdbool.h"
#include "stm32f1xx.h"
/* USER CODE END Includes */

/* Private typedef -----------------------------------------------------------*/
/* USER CODE BEGIN PTD */

/* USER CODE END PTD */

/* Private define ------------------------------------------------------------*/
/* USER CODE BEGIN PD */

/* USER CODE END PD */

/* Private macro -------------------------------------------------------------*/
/* USER CODE BEGIN PM */
#define SCALE 1
/* USER CODE END PM */

/* Private variables ---------------------------------------------------------*/

/* USER CODE BEGIN PV */

/* USER CODE END PV */

/* Private function prototypes -----------------------------------------------*/
void SystemClock_Config(void);
/* USER CODE BEGIN PFP */

/* USER CODE END PFP */

/* Private user code ---------------------------------------------------------*/
/* USER CODE BEGIN 0 */
uint8_t ReadAddr();
uint8_t crcadd(uint8_t *buff,uint32_t len);
int PwmOut(uint32_t set_channel3,uint32_t set_channel4);
void pwm_calc(uint8_t light,uint16_t color,uint32_t *set_channel3,uint32_t *set_channel4);

uint8_t addr;
uint32_t set_pwm3,set_pwm4;
uint8_t current_group;
uint8_t led_light;
uint16_t led_color;
uint32_t set_flag,timecount;
uint32_t x=0;
uint32_t synchronous;
uint8_t led_num;
/* USER CODE END 0 */

/**
  * @brief  The application entry point.
  * @retval int
  */
int main(void)
{
  /* USER CODE BEGIN 1 */

  /* USER CODE END 1 */

  /* MCU Configuration--------------------------------------------------------*/

  /* Reset of all peripherals, Initializes the Flash interface and the Systick. */
  HAL_Init();

  /* USER CODE BEGIN Init */

  /* USER CODE END Init */

  /* Configure the system clock */
  SystemClock_Config();

  /* USER CODE BEGIN SysInit */

  /* USER CODE END SysInit */

  /* Initialize all configured peripherals */
  MX_GPIO_Init();
  MX_CAN_Init();
  MX_TIM3_Init();
  MX_TIM2_Init();
  /* USER CODE BEGIN 2 */

  /* USER CODE END 2 */

  /* Infinite loop */
  /* USER CODE BEGIN WHILE */
  while (1)
  {
    /* USER CODE END WHILE */

    /* USER CODE BEGIN 3 */
  	addr=ReadAddr()<<4;
  	timecount++;
  	led_num++;
  	if(synchronous==1)
  	{
  		while(set_flag==1)
			{
				pwm_calc(led_light, led_color, &set_pwm3, &set_pwm4);
				int pwmout_state=PwmOut(set_pwm3,set_pwm4);
				if(pwmout_state==1)
				{
					synchronous=0;
					break;
				}
				led_num++;
				if(led_num >= 20)
				{
					led_num = 0;
					HAL_GPIO_TogglePin(RUN_GPIO_Port, RUN_Pin);
				}
				HAL_Delay(5);
			}
  		synchronous=0;
  	}
		if(timecount>=1000)
		{
			set_flag=0;
			synchronous=0;
			timecount=1000;
			pwm_calc(50, 4000, &set_pwm3, &set_pwm4);
			PwmOut(set_pwm3,set_pwm4);
		}
		if(led_num >= 20)
		{
			led_num = 0;
			HAL_GPIO_TogglePin(RUN_GPIO_Port, RUN_Pin);
		}
		HAL_Delay(5);

  }
  /* USER CODE END 3 */
}

/**
  * @brief System Clock Configuration
  * @retval None
  */
void SystemClock_Config(void)
{
  RCC_OscInitTypeDef RCC_OscInitStruct = {0};
  RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};

  /** Initializes the RCC Oscillators according to the specified parameters
  * in the RCC_OscInitTypeDef structure.
  */
  RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
  RCC_OscInitStruct.HSEState = RCC_HSE_ON;
  RCC_OscInitStruct.HSEPredivValue = RCC_HSE_PREDIV_DIV1;
  RCC_OscInitStruct.HSIState = RCC_HSI_ON;
  RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
  RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
  RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL9;
  if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
  {
    Error_Handler();
  }

  /** Initializes the CPU, AHB and APB buses clocks
  */
  RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
                              |RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2;
  RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
  RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
  RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV2;
  RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;

  if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_2) != HAL_OK)
  {
    Error_Handler();
  }
}

/* USER CODE BEGIN 4 */
uint8_t ReadAddr()
{
	uint8_t addr=0;
	GPIO_PinState DIP1=HAL_GPIO_ReadPin(GPIOB, GPIO_PIN_12);
	GPIO_PinState DIP2=HAL_GPIO_ReadPin(GPIOB, GPIO_PIN_13);
	GPIO_PinState DIP3=HAL_GPIO_ReadPin(GPIOB, GPIO_PIN_14);
	GPIO_PinState DIP4=HAL_GPIO_ReadPin(GPIOB, GPIO_PIN_15);
	addr=DIP1|(DIP2<<1)|(DIP3<<2)|(DIP4<<3);
	return addr&0xff;

}
int PwmOut(uint32_t set_channel3,uint32_t set_channel4)
{
	uint32_t get_channel3=__HAL_TIM_GET_COMPARE(&htim3,TIM_CHANNEL_3);
	uint32_t get_channel4=__HAL_TIM_GET_COMPARE(&htim3,TIM_CHANNEL_4);
	uint32_t temp;
	if(get_channel3<set_channel3)
	{
		temp=set_channel3-get_channel3;
		if(temp>SCALE)
		{
			__HAL_TIM_SET_COMPARE(&htim3,TIM_CHANNEL_3,get_channel3+SCALE);
		}
		else {
			__HAL_TIM_SET_COMPARE(&htim3,TIM_CHANNEL_3,get_channel3+temp);
		}
	}
	else if (get_channel3>set_channel3)
	{
		temp=get_channel3-set_channel3;
		if(temp>SCALE)
		{
			__HAL_TIM_SET_COMPARE(&htim3,TIM_CHANNEL_3,get_channel3-SCALE);
		}
		else {
			__HAL_TIM_SET_COMPARE(&htim3,TIM_CHANNEL_3,get_channel3-temp);
		}
	}
	if(get_channel4<set_channel4)
	{
		temp=set_channel4-get_channel4;
		if(temp>SCALE)
		{
			__HAL_TIM_SET_COMPARE(&htim3,TIM_CHANNEL_4,get_channel4+SCALE);
		}
		else {
			__HAL_TIM_SET_COMPARE(&htim3,TIM_CHANNEL_4,get_channel4+temp);
		}
	}
	else if (get_channel4>set_channel4)
	{
		temp=get_channel4-set_channel4;
		if(temp>SCALE)
		{
			__HAL_TIM_SET_COMPARE(&htim3,TIM_CHANNEL_4,get_channel4-SCALE);
		}
		else {
			__HAL_TIM_SET_COMPARE(&htim3,TIM_CHANNEL_4,get_channel4-temp);
		}
	}
	if(get_channel3 == set_channel3 && get_channel4 == set_channel4)
	{
		return 1;
	}
}
void pwm_calc(uint8_t  light,uint16_t  color,uint32_t * set_channel3,uint32_t * set_channel4)
{
	double light1=(double)light/100;
	double set4=(((color-2700)*light1)/(6500-2700));
	double set3=light1-set4;
	*set_channel3=1000*set3;
	*set_channel4=1000*set4;
}
uint8_t crcadd(uint8_t *buff,uint32_t len)
{
	uint8_t crc=0;
	for(uint32_t i=0;i<len;i++)
	{
		crc+=buff[i];
	}
	return crc;
}

bool FlashWrite(uint32_t addr, uint32_t *buffer, uint32_t len) {
  HAL_FLASH_Unlock();
  for (int i = 0; i < len; i+=4) {

    HAL_StatusTypeDef X= HAL_FLASH_Program(FLASH_TYPEPROGRAM_WORD, addr+i , buffer[i/4]);
		if(X!=HAL_OK)
		{
			return false;
		}
  }
  HAL_FLASH_Lock();
  return true;
}

bool FlashRead(uint32_t addr, uint8_t *buffer, uint32_t len) {
  for (int i = 0; i < len; ++i) {
    buffer[i] = *(volatile uint32_t *)(addr + i);
  }
  return true;
}
uint8_t flash_erase(uint32_t page,uint32_t address) {
  FLASH_EraseInitTypeDef EraseInitStruct;
  uint32_t SECTORError = 0;
  HAL_FLASH_Unlock();
  EraseInitStruct.TypeErase = FLASH_TYPEERASE_PAGES;
  EraseInitStruct.Banks =0;
  EraseInitStruct.NbPages = page;
  EraseInitStruct.PageAddress=address;
  HAL_StatusTypeDef x=HAL_FLASHEx_Erase(&EraseInitStruct, &SECTORError);
  if (x != HAL_OK) {
    return false;
  }
  HAL_FLASH_Lock();
  return true;
}
/* USER CODE END 4 */

/**
  * @brief  This function is executed in case of error occurrence.
  * @retval None
  */
void Error_Handler(void)
{
  /* USER CODE BEGIN Error_Handler_Debug */
  /* User can add his own implementation to report the HAL error return state */
  __disable_irq();
  while (1)
  {
  }
  /* USER CODE END Error_Handler_Debug */
}

#ifdef  USE_FULL_ASSERT
/**
  * @brief  Reports the name of the source file and the source line number
  *         where the assert_param error has occurred.
  * @param  file: pointer to the source file name
  * @param  line: assert_param error line source number
  * @retval None
  */
void assert_failed(uint8_t *file, uint32_t line)
{
  /* USER CODE BEGIN 6 */
  /* User can add his own implementation to report the file name and line number,
     ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
  /* USER CODE END 6 */
}
#endif /* USE_FULL_ASSERT */
